Selective system and apparatus



E. .KL|:|NscHM|D1-- SELECTIVE SYSTEM ANnAPPRATUs Filed July 18. 1,924 3 Sheets-Sheet 1 March 4,` 1930. E. E. KLElNscHMIDT SELECTIVE SYSTEM AND APPARATUSv 3 Sheets-Shoet 2 I r lllllzll//l/l//l/ gw'ventoz J4/M MM WMM am March 4, '1930. E. E. KLElNscl-lMlD-r 3,749,142

y SELECTIVE SYSTEM APPARATUS Filed July 1'8, 1924 5 Sheets-"Sheet 3 Strom/wg Patented Mar. 4, 1930 UNITED STATES PATENT OFFICE EDWARD E. IKLEINSCHMIDT, F LONG ISLAND CITY, NEW YORK, ASSIGNOR, BY MESNE ASSIGNMENTS, TO TELETYPE CORPORATION, OF CHICAGO, ILLINOIS, A CORPORA- TION 0F DELAWARE SELECTIVE SYSTEM AND APPARATUS Application filed July 18, 1924. Serial No. 726,838.

The present invention relates to improvements in selecting systems and apparatus therefor.

More particularly the invention relates to selective systems and apparatus especially useful in printing telegraphs.

An object of the invention is the provision of simplified driving. mechanisms for selectors of thestart-stop type in which suitable speed regulation 'and driving is attained without resort to ordinary rotary electric motors.

Another object of the invention is the provision of simplified interfering action mechanical selectors.

A further object of the invention is the provision of simplied transfer and storage mechanisms for securing overlap of signal combinations in selective mechanisms.

Still another object of the invention is the provision of a simplex-rotary distributor start-stop system in which the same set of distributor brushes function for transmission or reception. j

i Other objects of the invention will appear in the disclosure of the preferred embodiments of the invention of which.:

Fig. 1 is a more or less fragmental and sectional view showing one form of selector.

in Fig. 1.

Figs. 3 and 4 are more or less diagrammatic views showing an improved drive motor for select-ive mechanisms.

Fig. 5is a modified circuit diagram for a system using the motor of Figs. 3 and 4.

' Fig. 6 is a circuit diagram of an improved rotary distributor start-stop system using the drive motor of Figs. 3 and 4.

Referring to the form shown in Figures Y1 and 2, a shaft 1 is arranged to be driven through a friction clutch or otherwise by a vcontinuously operating motor (not shown.)

Securedtol and rotatable with shaft 1 is a set of control cams or discs 2, 3, 4, 5 and 6 Fig. 2 is a plan view of the form showny (Figs. 1 and 2). Cut in the periphery of each control cam are two diametrically opposite notches 7 (Fig. 2). The notches 7 on each disc are thrown out of alignment and spaced in a helical manner around the shaft 1 for the purpose of successively permitting operation of a set of selector members in properly timed relation, as'will more fully hereinafter appear. Rigidly secured to shaft 1 is a stop member 8 with diametrically opposite stop arms 9, and an operating cam 10.

Stop arms 9 are adapted to engage a stop 11 carried by an armature 12 of a receiving magnet 13. Armature 12 is mounted pivotally on a suitable support 14, and its movement is limited by an adjustable stop screw 15. A spring 16 yis arranged to hold armature 12 against stop 15 when magnet 13 is in de-energized condition.

Pivotally mounted on a support 17 is a set of selector members 18, 19, 20, 21 and 22 (Figs. 1 and 2). Each selector member has formed thereon a surface 23 arranged to abut against the end of armature 12 under the influence of springs 24 individual to members 18 to 22 when magnet 13 is de-energized. A comb 24 is provided to guide members 18 to 22 and support springs 24. A recess 25, cut into each of the selector members permits them toy move inward under the influence of springs 24 when magnet 13 is energized. Each selector member also has formed thereon a projecting surface 26 which is normally held against the cams 2 to 6 respectively. The arrangement described is such that when magnet 13 is energized and cam shaft 1 is rotated, selector members 18 to 22 will move successively under the iniiuence of the cams 2 to 6 individual thereto, and springs 24.

A transfer and storage frame 27 is mounted pivotally at 28 and has formed. thereon a projection 29. Spring 30 holds frame 27 normally in inward position withprojection 29 in the path of cam 10, and as the shaft 1 is rotated, cam 10 will rock member 27 outmembers 31, one of said members 31 being individual to and actuated by each selector member. Each member 31 has a setting projection 32 which projects into the path of movement of the selector members 18 to tion 33. The members 31 are movable between stop members 34 and 35 and are arranged to remain in position against stop member 34 until shifted against stop member 35 by the selector members 18 to 22 individual thereto.

A restoring member 36 pivotally mounted on a. Xed support 37 is normally urged to the right in Fig. 2 by a spring 39. A restoring bar 40 on member 36 is arranged to be engaged by extensions 33 of members 31, and an extension 41 of member 36 is arranged to engage projection 42 of member 27. As the frame 27 moves outward, spring 39 willshift member 36 to position bar 40 over extensions 33 so that on the inward movement of 27, extensions 33 will first engage bar 40 and will restore the set ones of members 31 against stop 34, and when this restoration has been yefl'ected, further movement of 27 causes projection 42 to engage extension 41 and will then shift member 36 to the position shown in Fig. 2.

Slidably mounted in suitable supports 43 are a set of five notched selector bars 44 to 48, each provided with a setting cam projection 49 so positioned with relation to members 31, that when frame 27 is shifted outward, members 31 will engage cam projections 49 on their respective bars 44 to 48, and will move these bars to the right or left in accordance with the setting of members 31 against stop 34 or stop 35.

The notches in bars 44 to 48 are arranged 5 in well known manner to selectively control the actuating bars 50 of a printing telegraph machine, such for example as is -disclosed in United States Patents Numbered 1,565,165, 1,564,422, and 1,567 ,599, to which reference may be had for a more complete disclosure of mechanisms of this character. As will be seen by reference to the copending cases, actuating bars 50 are linked `to ivotedv arms 51, which in turn actuate line eed, spacing, 5 carriage* return, bell signal, shift and like mechanisms and a set of type carrying bars 52, andmay be used either in a page or a tape printer. In the positions shown the mechanism is arranged for use in a tape 0 printer.

Bars 50 are provided with cam projections 53 and are held against a universal bar 54 byv springs. 55 (Fig. 1). Universal bar 54 is mounted on printing frame end pieces 56 65 carried by a spindle 57 which in turn is 22 individual thereto, and a restoring proj ec-v pivotally mounted in supports, not shown. A printing bail 58 is carried on end pieces 56 and is arranged to engage the shoulders formed by projections 53 on bars 50, when the bars drop into the aligned slots, as fully set forth in the copending cases. Bail 58 may be mounted on a pivoted frame work carried by end pieces 56 and linked thereto by spring connections, as shown in the magnet actuated printer disclosed in application,v Serial Number 656,857, in order to secure a spring printing stroke. The printing frame is thrown downward in Fig. 1 by means of a restoring spring 59 and is connected by means of link 60 to the plunger 61 of a printing solenoid 62.

A special contact arrangement is provided for the control of solenoid 62 which comprises a contact operating member mounted on a fixed pivot 63 and provided with arms 64, 65 and'66. A contact spring 67, normally forces arm 64 upward through block 68 carried thereby. Spring 67 carries a contact 69 adapted to engage a contact 70 carried by spring 71 when 64 is depressed. Shaft 1 carries a cam 72 shaped to elevate arm 65 and to depress arm 64 immediately after bars 44 to 48 are shifted by movement of frame 27. Lever 64 will remain depressed, holding contacts 69 and 70 closed and venergizing solenoid 62 through springs 67 and 71, conductors 72 and battery 73. Energization of solenoid 62 draws plunger 61 into the solenoid until a pin 75 carried by the rinting bail frame work engages the end o? lever 66 in Fig. 1, and moves arm 64 upward, permitting contacts 69 and 70 to open, thereby interrupting the circuit for the solenoid. On the energizing stroke of the solenoid, the printing frame is moved to permit movement of a selected actuating bar 50 into the aligned slots, and then moves it across the aligned slots to effect the selected operation. When the energizing circuitis opened, spring 59 acts to restore the printing frame, which in turn moves the selected bar 50 out of the aligned selector bar slots and permits restoration thereof, and at the same time draws plunger 61 out of the solenoid, all as fully set forth in'the copending applications.

Operation In operation the magnet 13 is normally energized and stop projection 11 is normally interposed in the path of rotation of stop 9, in this manner arresting the rotation of cam shaft 1. Upon the receipt of a start signal or line interruption, magnet 13 is de-energized and spring 16 actuates armature 12 to remove the stop projection 11 from the path of stop 9 permitting shaft 1 tostart into rotation. As the shaft rotates, depressions 7 of cams 2 to 6 will successively pass projections 260i selector members 18 to 22 in properly timed relation with the receipt of the incoming im bers 1'8. to 22 in accordance with the received pulses, and depending on the nature of the impulses', armature 12 is vpositioned to permit or interfere with the movement of the memselective combination of impulses. The movements of selectors 18 to 22 function to selectively set the transfer and storage members 43l against stop 34v or 35 as the case may be.

Cam 10 then shifts frame 27 outward and members 3l engage projections 49 shifting the bars 44 to 48 in accordance with the selective setting thereof. As soon as the bars 44 to 48 are set, cam 10 permits frame 27 to move inward and setting ofv members 31 in accordance withthe succeeding signal combination ma proceed. At the same time contacts 69 andI 70 are closed by the action of cam 72. This energizes solenoid 62 to rock the printing frame permitting the selected one of actuating bars 50 to move into the aligned selector bar slots, and then to move the selected actuating bar across the aligned slots to effectthe selected operation. At the end ofthe printin stroke pin 75 releases contacts 69 and 70, e-energizing solenoid 62 and restoration of the actuated parts is effected. In the meantime a succeeding combination may have been set up on members 31, and the selection may immediately be transferred tothe notched selector bars. In this manner it will be seen that an overlap of selective setting and printing occurs.

M odz'fied selector and drive The selector shown in Figures 1 and 2 may be modified to provide a spring motor operated by an electro-magnet for use where ordinary electric motors are unavailable or undesirable to drive shaft 1. This may be accomplished. by eliminating the *stop projection 11 from armature 12, and stop arms 9 from shaft 1, and by driving shaft 1 by direct gear connections from the motor rather than through a friction clutch. The changes in structure of the selector shown are of such a simple nature that no separateY showing will be made.

Referring to Figures 3 and 4, shaft 1 is extended and has secured thereto a pinion 7 6 which is driven by a gear 77. Gear 77 is carried by a sleeve 78 which is rotatably mounted on a spindle 79. Spindle 79 is suitably supported in bearings 80, and has secured thereto a ratchet wheel 81. Wound around sleeve -78 and fastened to gear 77 at one end and to ratchet wheel 81 at the other end, is a helical drive spring 82.- A stop pawl 83 mounted on a fixed pivot 84 isnormally held against ratchet wheel 81 by a spring 85, the other end of which is secured to a stepping pawli86 which in turn is pivotally mounted at 87 to arm :88 and held against ratchet .wheel 81 byl spiings 85. Arm 88 is pivotally supported at 8 9 and is pivotall connected at 90 toa plunger 91 of a solenoi 92. A spring 93 normally holds the plunger 91 retracted and arm 88 in the position shown in Fig. 4. Formed integrally with arm 88 is a stop extension 95, which with the solenoid plunger retracted, extends into the path of one of the 'diametrically opposite stop arms 96 secured to shaft 1.

Shaft 1 is extended into a mercury well 97 which has a plurality of stationary radially extending vanes 98. Secured to shaft 1 are a yplurality of radial vanes 99, which extend and rotate between stationary vanes 98. In operation the rotating vanes 99 are retarded by the mercury in well 97, and the retarding effect may be varied by varying the amount of mercury in the well. In this manner an effective speed regulating device is provided.

. To insure stopping of shaft 1, in case stop extension 95 is not interposed in the path of astop 96 at the proper time, 'an adjustable stop arm 100 is secured to spindle 79 and is positioned to be engaged by a stop pin 101 secured to gear 77, when the solenoid plunger is retracted.

Spring 82 is put under an initial tension and is of sufficient strength to rotate shaft 1. When solenoid 92 is energized, plunger 91 will actuate arm 88 to withdraw stop 95 projectionfrom the path of stop 96 and at the same time pawl 86 rotates ratchet 8l, tensioning spring 82, and advances the ratchet a distance ofone tooth where it will be held by pawl 83. Shaft 1 is freed from rotation and arm 100 is moved away from pin 101 by this movement of arm 88. Gear 77 will be rotated by spring 82 and will drive shaft 1 through pinion 76. The action of the mercury regulator will control the motion of shaft 1 so that cams 2 to 6 will permit operation of selectors 18 to 22 in properly timed relation with respect to the impulses received by magnet 13. Before shaft 1 has made a half revolution, solenoid 92 will be de-energized and spring 93 will have restored arm 88 to the position shown in Fig. 4. At the end of a half revolution or a complete cycle of selective operation, a stop 96 will engage projection 9 5 and will arrest rotation of shaft 1. At this Y ,to the line circuit, and a special start contact spring 102 is arranged to be actuated by armature 12 to close contacts 103 and 104 when magnet 13 is de-energized. The motor winding solenoid-92 is connected by means of conductors 105 and 106 in circuit with a battery 107 and contacts 103 and 104. Because of the fact that during the intervals when selecting impulses are received, contacts 103 will 111, carried by i interval of the received combination,

108 and'109 will be opined b cam 113, sole-1 be opened, a special set of contacts 108 and 109 are provided. Contact 109 is carried by a contact spring 110, and is actuated by an arm pawl 83. The arrangement of contacts 108 and 109, and of arm 111 is such that as soon as ratchet 81 begins to move on an energization of solenoid 92, contacts 108 and 109 will be forced into engagement, and will be held closed until ratchet 81 has moved a distance of one tooth and then the end of pawl 83 will drop of the tooth, moving arm 111 to the left in Fig. 3, and permitting contacts 108 and 109 to separate. In operation during the start interval of each signal, armature 1'2 will close an initial energizing circuit for solenoid 92 through contacts 102 and 103. As soon as plunger 91 is attracted, an energizing circuit will be closed through contacts 108 and 109 independently of the operation of armature 12. The circuit through 108 and 109 will insure a complete stroke of plunger 91, and at the end of the stroke this circuit is broken and the motor parts are restored by spring 93 as above set forth.

A modified control for solenoid 92 is shown in Fig. 5. In this form the arm 111 is pivotally mounted at 112 and is arranged to be actuated by a cam 113 carried on the motor shaft 1. In the rest or zero position of shaft 1, the parts are arranged as shown so that varm 111 engages contact spring 110 and holds contacts 108 and 109 separated. As soon as shaft 1 moves from zero or rest position, contacts 108 and 109 will close. Inloperation of this form magnet 13 is de-energized in response to a start condition preceding each code combination and closes contacts 103 and 104. This energizes solenoid 92, and actuates arm 88 to remove stop 95 from in front of member 96. Shaft 1v commences to rotate under the iniuence of spring 82, and cam 113 will permit contacts 108 and 109 to close, establishing an energizing circuit for solenoid 92 independently of contacts 103 and 104 which will-remain closed until the five' selecting impulses have been received. In the seventh or stop contacts noid 92 will be de-energize and the parts will come torest in 'normal or zero position.

In order to reduce the amount of work done by the spring motor, frame 27 may be operated by an electro-magnet control by contacts actuated by cam 10 rather than directly by the cam 10, as shown, or thus frame may be arranged for actuation by an 1n1t1al movement of solenoid plunger 61, before bars v50 are permitted to engage the selector bars Multiple magnet start-stop Under certain circumstances it may be desirable to utilize a printer employing a plurality of magnets with the improved spring motor drive shown in Figs. 3'to 5. This may conveniently be done by shortening shaft 1 and securing thereto a 'stributor brush arm 114. (Fig. 6) arranged to rotate over and make contact between a conducting ring 115 of a distributor face and contacts 116 to 121 thereo'f. In this form only one stop 96 is used, and shaft 1 will make a complete revolution each time solenoid 92 is energized. In order to permit the same rotary distributor brush and face to be used for simplex transmission and reception, two auxiliary transmitting contact segments 117 to 121 are placed adjacent each of the contacts 117 to 121 as shown. Contacts 116 to 121, and 117 to 121 are insulated from each other and from ring 115.

In normal or rest position t shown in Figure 6, wit-h brush 114 resting on contact 116. Ring 115 is connected to the line 122. Contacts 116 to 121 are connected by means of conductors 123 to v128 to transmitter switches 129 to 134, and contacts 117 to 121 are connected by means of conductors 124 to 128 to transmitter switches 130 to 134. The transmitter switches are normally closed. Start cont-rol switch 129 completes a-circuit through start magnet 13', conductors' 135 and line battery 136 to ground. Transmitter switches 130 to 134 complete circuits through selector magnets 137 to 141, through conductor 135 and battery 136 to ground. Transmitter switches 130 to 134 complete circuits e parts are as of a contact spring 147 by a sprin 148.

Member 146 has a shoulder formed t erein which seats over the end of sprin 147, so that when magnet 13 is ,de-energize spring 145 will actuate 143 and will force spring 147 downward. This will force contact l149 into engagement with contact 150 and will complete an energizing circuit through battery' 15 and solenoid 92 of the spring motor. As

hereinbefore set forth, energization of 92 releases shaft 1 for rotation, and brush arm 114 will be carried through one revolution thereby. After solenoid 92 has' been fully actuated, a cam 152 carried by shaft 1 will force 146 to the right in Fig. 6, thereby freeing spring 147 and permitting contacts 149 and 150 to separate. This opens the circuit through 92, and at the end of a revolution of shaft 1, stop projection 95 will be engaged by stop member 96, and the parts will come to rest in the positlon shown'in Fig. 6

y' It will be understood thaty contact,129. n1ay p be actuated by the start bar of any well known form of keyboard, and that contacts 130 and 130 to 134 and 134 are movable in pairs, and may be actuated by. the combination or code bars of the keyboard, or these contacts may be operated automatically by tape controlled elements. For the transmission of characters contact 129 is opened7 and the pairs of contacts 130 and 130 to 134 and 134 are opened or closed in accordance with the combination to be transmitted. The opening of 129 interrupts the line circuit, and deenergizes all of the start magnets 13 which in normal positionpf the distributors are energized and connected in series in the line. This starts all of the distributors into rotation simutaneously. It will be noted that at the transmitting station the cont-acts are connected together so that each transmitting segment is made up of three contacts 117 and 117 to 121 and 121', and long impulses are transmitted, while at the receiving stations only the contacts 117 to 121 are eiiective so that the mid-portions only of the transmitted impulses will be received. The motors are set to drive thedistributors at each station at the same speeds so that the impulses will be received in proper order on the selecting magnets 137 to 141 which may control any well known form of five unit printer.

It willbe seen that a rotary distributor start-stop simplex system is proivded in which the same distributor contacts are utilized for sending and recovering, and in which the printer at the transmitting station 4 willI function as a home recorder.

Having described a preferred embodiment of the invention, what is desired to be secured by Letters Patent and claimed as new 1s:

1. A selecting mechanism comprising a magnet, a plurality of selector members movable in succession said selector members being selectively restrained from movement by said magnet, a plurality ofmotched selector bars each embodying a plurality of notches and controlledby said selector members to selectively align said notches, a plurality of selectable actuating/bars selectively controlled by alignment of said notches, and printing means actuated by said actuating bars.

2. A selecting mechanism comprising a magnet, a plurality of selectable transfer and storage members selectively controlled by said magnet, a pivotally mounted frame work carrying said transfer and storage members, a plurality of notched selector bars, means for actuating said pivoted frame' work to cause setting of said notched bars in accordance with the selective setting of said transfer and storage members,y a plurality of actuating bars controlled by said selector barsand a printing mechanism operated by said actuatingpbars.

3. In combination, a rotary shaft, a plurality of cams carried by said shaft, a plurality of members permitted to move in succession by rotary movement of said cams, a magnet, means controlled by said magnet to selectively interfere with the movement of said members, a plurality of notched selector bars selectively positioned in accordance with the movement of said members to produce selecting alignments of the notches in said bars, and a plurality of actuating bars selectable by the alignment of the notches in said selector bars.

4. The combination as set forth in claim 3 in which said actuating bars are selected by movement into the aligned selector bar slots, together with means for moving the selected bar in the aligned slots to effect the selected operation.

5. The combination as set forth in claim 3 together with a plurality of transfer and storage elements arranged to be selectively set by said members and to selectively set said selector bars.

6. In a start-stop selective system, a start magnet, a rotary shaft controlled by said magnet, a drive motor for said shaft, and a source of driving energy for said motor controlled by said start magnet.

7. In a start-stop selective system, a start magnet, a rotary shaft controlled by said magnet, a driving spring for said shaft, and a winding magnet for said driving spring controlled by said start magnet.

8. A start-stop rotary distributor system comprising a distributor with a plurality of transmitting divisions, means for transmitting impulses over said divisions to the line, an a receiving magnet connected directly to apart only of each of said transmitting divisions.

9. In a printing telegraph system, a rotary distributor comprising -a set of conducting segments allotted to the transmission of each impulse, and a receiving connection to part only of each set of said transmitting contacts.

10. In av printing telegraph receiver, a plurality of selectors arranged to be successively operated and electro-magnetic means responsive to received code combinations of impulses for selectively completely restraining said selectors from operation.

11. In a printing telegraph receiver, a plurality of pivoted selectors arranged to be successively operated and electro-magnetic means responsive to received code vcombinations of impulses for selectively restraining said selectors from any operation.

, 12. In a printing telegraph receiver, a plurality of pivoted selectors, means for successively operatingsaid selectors, and electro-` magnetic means responsive to received code combinations of impulses for selectively restraining said selectors from any operation.

13. In a printing telegraph receiver, a plurality of pivoted selectors, spring means for successivelyoperating said selectors and electro-magnetic means responsive to received code combinations of impulses for selectively restraining said selectors from any operation.

14. In a printing telegraph receiver, a plu-- rality of selectors, normally urged to operate, means .for normally restraining said selectors from operation, said means being arranged to successively release said selectors for operation, and an electro-magnet responsive to received code combinations of impulses in timed relation with said release of said selectors for selectively and completely restraining said selectors from' operation.

15. In a printing telegraph receiver, a plurality of pivoted selectors normally urged to operate, means for normally restraining said selectors from operation, said means being arranged to successively release said selectors for operation and an electro-magnetic means responsive to received code combinations of impulses 1n tlmed relation with said release of 'said selectors for selectively and completely restraining said selectors from operation.

16. In a printing telegraph receiver, a plurality of pivoted selectors,- spring means nor-l mally urging said selectors into operation, means for normallyv restraining said selecto-rs from operations, said means being arranged to successively release said selectors for operation, and electro-magnetic means responsive to received code combinations of impulses in timed relation with said release of said selectors for selectively restraining said selectors from any operation.

17. In a printing telegraph receiver, a plurality of pivoted selectors, spring means normally ur ing said selectors into operation, cam mem ers arranged to normally restrain said selectors, said cam members being arranged to successively release said selectors from operation, and electro-magneticmeans responsive to received code combinations of impulses in 4timed relation with said release of said selectors for selectively restraining said selectors from any operation.

18. In a printing telegraph receiver, a plurality of selectorshaving a normal and operate position, and electro-magneticmeans responsive to received code combinations of impulses and a rotating 'member for jointly selectively and completely restraining said selectors from operate position in accordance with said received impulses.

19. In a printing telegraph receiver, a plurality of selectors having a normal and operate position and normally urged to operate position, and electro-magnetic means responsive to received code combinations of impulses and cam members for jointly selectively and completelyrestraining said selectors from operate'position in accordance with the sald received impulses.

20. .a printing 'telegraph receiver, an

electro-magnetic means responsivel to received code combinations of impulses, and a pluralit ofselectors normally locked from control y said magnet, said selectors being arranged to be momentarily released in timed relation Withsaid received impulses, said magnet being arranged to selectively restrain said released selectors from any operation.

21. In a printing telegraph receiver, an electro-magnetic means responsive to received code combinations of impulses, a plurality of selectors normally locked from control by said magnet, and cam means for momentarily releasing said selectors in timed relation with said received impulses, said magnet being arranged to selectively restrain said released selectors from any operation in accordance with the received impulses.

22. In a printing telegraph receiver, an electro-magnet responsive to received code combinations of impulses, a plurality of selectors having normal and operate positions, spring means urging said selectors to operate position, and means yfor locking said selectors from operative control of said electro-magnet, said means being arranged to successively release said selectors, said electro-magnet selectively restraining said released selectors from actuation to a new operative position by said spring, in accordance With the received impulses.

23. In a printing telegraph receiver, an electro-magnet responsive to` received code combinations of impulses, a plurality of pivoted selectors and spring means for directly actuating said selectors to operative position,. said actuation being under control of said magnet.

24. In a printing -telegraph receiver, a plurality of locked selectors, spring means urging said selectors to operate, means for successively releasing said selectors for operation by said spring means, and electro-magnetic means responsive to received code combinations of impulses for selectively restraining said released selectors from operation.

25. In a printing telegraph receiver, a plurality of locked selectors, spring means urging'said selectors -to operate, rotating `means for successively releasing said selectors for operation by said spring means, and electromagnetic means responsive to received code combinations of impulses for selectively restraining said released selectors from operation.

26. In a printing telegraph receiver, a plurality of selector members selectively positionedl in accordance with received code combinations of impulses, yand a pivoted` lIuember for supporting said selector memers.

27. In a printing telegraph receiver, a plurality of selector members selectively positioned in accordance with received code combinations of impulses, a pivoted member for supporting said selector members, selector bars individual to each of said members and means operative following the positioning of said selector members for rocking said pivoted member to bring said members into engagement with said bars whereby said bars are positioned in accordance with the positions of said members.

28. In a printing telegraph receiver, a plurality of selector members, a pivoted member supporting said selector members for normally'positioning said selector members to be operated in accordance with received code combinations of impulses, a selector bar individual to each of said selector members, said bars being normally out of engagement with said members and means operative following the positioning of said selector members for rocking said pivoted member to bring said selector member into engagement with said selector bars.

29. In a printing telegraph receiver, a plurality of selector members, a pivoted member supporting said selector members for normally positioning said selector members to be operated 1n accordance with received code combinations of impulses, a selector bar individual to each of said selector members,

said bars being normally out of engagement with said members, means operative following' the operation of said selector members for rocking said pivoted member to bring said selector members into engagement with said selector bars and cam progections on said selector bars brought into engagement with said selector members whereby said bars are operated in accordance with the operation of said selectors.

30. In a printing telegraph receiver, a plurality of selectors operated in response to received code combinations of impulses, an intermediate member individual to each of said selectors, said intermediate member being normally positioned to be operated by said selectors, a plurality of selector bars and means operative following the operation of said intermediate members for moving said members out of engagement with said selectors and into-engagement with said bars.

31. In a printing telegraph receiver, a plu,

rality of selectors operated in response to received code combinations of impulses, an intermediate member individual to each of said selectors, said intermediate member being normally positioned to be operated by said selectors, a plurality of selector bars, means operative following the operation 'of said intermediate members for moving them'out of engagement with said selectors and into engagement with said bars, and means whereby said intermediate members operate said bars.

32. In a printing telegraph receiver, a 'plurality of intermediate members, said members having a receiving and transmitting position, means operative while said'members are in receiving position for positioning said members in accordance with received code combinations of` impulses, selector bars and means operative when said intermediate members are in transmitting position for operating said bars in accordance with the operation of said intermediate members.

33. In a printing telegraph receiver, a plurality of selectors operated in accordance with a code combination of impulses, a plurality of intermediate members arranged to be positioned by said selectors, a plurality of selector bars, means for moving said intermediate members from receiving position to operate said bars and means operative upon return of said intermediate members to receiving position for restoring said membersto normal.

34. In a printing telegraph receiver, a plurality of intermediate members having a receiving and transmitting position operated by received impulses, means for moving said members from receiving to transmitting position, means for returning said members to receiving position, and means operative while said members are being returned for restoring those operated of said members to normal.

35. In a printing telegraph receiver, a plurality -of intermediate members having a receiving and transmitting position, means operative while said members are in receiving position for setting said members according to code combinations of impulses, means following said operation for moving said members to transmitting position for transferring said setting, means following said transferring for returning said members to receiving po'sitions and means operative for simultaneously restoring said members to normal.

36. In a printing telegraph receiver, a plurality of selectors positioned according to a received code combination of impulses, a plurality of selector bars and a plurality of intermediate members arranged to be alternately in engagement with said selectors and said selector bars whereby said bars are positioned iny accordance with the positioning of said selector members.

'37. In a printing telegraph receiver, a plurality of selectors positioned according to received code combination of impulses, a plurality of selector bars, a plurality of intermediate members, a pivoted member carrying said intermediate members for alternately engaging said members. with said selectors and said selector bars whereby said bars are positioned in accordance with the positioning of said selectors.

38. In a start-stop selective system, a start magnet, a rotary shaft controlled by said magnet, a drive motor for said shaft, a source of driving energy for said motor controlled by said start magnet and means for maintainfrom operation, said means being arranged to successively release said selectors for operation, an electro-magnet responsive to received code combinations 'of impulses in timed relation with said release of said selectors for selectively restraining said selectors from operat1on, an intermediate member individual to each of said selectors, said intermediate member being normally positioned to be operated by said selectors, a plu'.-

` rality of selector bars, and means operative following the operation of said intermediate members for moving said members out `of engagement with said selectors and into engagement with said bars.

40. In a printing telegraph receiver, a. rotatable selector shaft, tension means for providing energy to rotate said shaft and a dashpot device fori controlling the supply of energy from said spring to said shaft.

41. In a printing telegraph receiver, a rotatable selector shaft, tension means for providing-energy to rotate said shaft and a mercury Well co-acting with said shaft for controlling the speed ofrotation thereof.

42. In a printing telegraph receiver, a ro-- tatable selector shaft, a tension member forrotating said shaft, a sto device for normally maintaining said shaft 1n non-rotatable condition and'means for simultaneously storing energy in said tension member to rotate sai shaft andfor releasing said shaft for rota.- tion.

43. In a printing telegraph receiver, a roltatable selector shaft, a tension member forv rotating said shaft, a stop device for normally maintaining said shaft in non-rotatable condition and electrical means for simultaneously storing energy in said tension member. to rotate said shaft and for releasing said shaft yfor rotation. 4 44. In a printing telegraph receiver, a rotatable selector, a shaft normally held in nonrotatable condition, a tension device for .r0

tating said shaft, means .forreleasing said shaft for rotation, said means being operative after a predetermined rotation of said shaft for again latching said shaft against rotation.

45. In a printing telegraph receiver, a rotatable selector shaft normally latched against rotation, a tension member for rotating said selector shaft, means for releasing said shaft for rotation over a pre-determined angle'and means for releasing a pre-determined amount of said tension to rotate said shaft over a pre-determined angle.

46. In a printing telegraph receiver,'a rotatable selector shaft and a tension member for rotatingsaid shaft and means for limiting the amount of energyreleased from said awaits:

tension member during any one cycle of rotation of said shaft.

47. In aprinting telegraph receiver, a rotatable selector shaft, a tensionmember supplying energy to rotate said shaft, a signaltatable selector shaft, a spring member for rotating said'selector shaft, a signalling line,

v electro-magnetic means responsive to a re-A ceived signal over said line for supplying en- 'ergy to said tension member, said electromagnetic means being operated 'thereafter over a circuit independently of control of said signalling line for supplying energy to said tension member.

50. In combination, a tension member, an electro-magnet, means for energizing said electro-magnet, a pawl and ratchet controlled by the energization of's'aid magnet for tensionin said tension member, and means controlle following the energization of -said magnet for maintaining said magnet energized independently of said first mentioned means.

51. In combination, a tension member, an electro-magnet, means for momentarily closing the circuit of said electro-magnet, a pawl and ratchet device controlled by the energization of said magnet for tensionin said -tension member, and means operative ollowing the momentary energization of said magnet for maintaining said magnet .energized.

52. In combination, a tension member, an electro-magnet, means for momentarily clos.- ing the circuit of said electro-magnet, a pawl and ratchet device controlled by the energization of said magnet for tensioning said.

In a printing telegraph receiver, a rotatable start-stop shaft, means for supplying energy for rotating said shaft, and means whereby said first mentioned means is conv trolled to rotate said shaft over a pre-deter1n mined angle.-

55. n a printing telegraph receiver,.a rotatable selector shaft, a Spring member for .supplying energy to said rotatable shaft, electro-magnetic means responsive to received. code combination of impulses for maintaining said spring member at a predetermined tension, and means whereby said electro-magnetic means is maintained energized during the receipt of said code combination of impulses. l y

, n testimony whereof, I aiix my si nature.

EDWARD E, KLEINSCH IDT. 

